ALC® Wafer Check Valve, 4" ANSI Class 150 & 300, Teflon Encapsulated Viton®
ALC® Wafer Check Valve, 4" ANSI Class 150 & 300, Teflon Encapsulated Viton®
SKU:INL-12d1d2
ALC® Wafer Check Valve: Prevent water hammer & reverse flow with precision. API 594 compliant, ideal for diverse applications.
Regular price
$599.99
Regular price
Sale price
$599.99
Unit price
per
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The ALC® Wafer Check Valve is a spring-assisted silent closing valve designed to prevent water hammer and reverse flow. With API 594 Face-to-Face dimensions, it fits compactly between flanges. Constructed with A216 Grade WCB body, 316 SS trim, and Teflon Encapsulated Viton® seat, this valve is suitable for liquids, gases, and steam applications. Featuring wafer RF ends, Inconel® X-750 spring, and compliance with ANSI B16.34, B16.5, and API 594 standards, it offers reliable performance and easy maintenance for various industrial settings.
Product Specifications
Application 0
Autoclaves | Boiler Feed & Discharge | Chemical Lines | Compressor Discharge | Condensate Lines | Cookers | Cooling Towers | Crude & Refined Product Lines | Cryogenics | Digester | Evaporators | Fly Ash System | Generator Inlet & Discharge | Hydraulic Lines | Metering Pumps | Mine Dewatering | Nitrogen Purge | Process Lines | Pump Discharge | Refrigeration | Steam Lines | Vacuum Breaker | Water Lines | Water Treatment
Available Soft Seat Materials Available Soft Seat Materials
Buna-N (-70 to 250ºF) | EPDM (-75 to 300ºF) | TFE®-Viton® (-40 to 400ºF) | Viton® (-40 to 400ºF) | Zelon® (37 to 450ºF)
Codes And Standards Ansi
B1.1 | B16.34 | B16.5
Codes And Standards Astm
A216GR WCB | A351GR CF8M
Codes And Standards Mss
SP-25 | SP-6 | SP-61
Codes And Standards Other
API 594 | API PED
Features 0
API 594 Face-to-Face dimensionsWafer RF endsSpring-assisted silent closingHorizontal or vertical installationSizes 2" thru 24"ASME Class 150 and 300Standard body materials:- A216 WCB- A351 CF8MStainless steel seat, disc & bushingNitronic 60 stemInconel® X-750 Spring0.5 psi cracking pressure springSeat Leakage per MSS SP-61Tapped holes in body for lifting lugs Axial flow Nozzle style
Materials Of Construction Body
A216 Grade WCB
Materials Of Construction Body Material
Carbon Steel
Materials Of Construction Bushing
A479 316
Materials Of Construction Discstem Assembly
316 SS/Nitronic 60
Materials Of Construction Gasketing
CFG (Corrugated Flexible Graphite)
Materials Of Construction Seat
Teflon Encapsulated Viton®
Materials Of Construction Spring
Inconel® X-750
Materials Of Construction Trim
316 SS
Options 0
Body Materials:Alloy 20Hastelloy®Others upon request316 SS springCustom sizing - low flowStellited trimNACESoft-Seat
Specifications Asme Class
150 | 300
Specifications B Dia
7 in | 177.8 mm
Specifications Cold Working Pressure
740 psig | 51.06 barg
Specifications Cracking Pressure Cp
0.59 psig | 0.041 bar
Specifications Cv
430
Specifications Dimension A
2.88 in | 73 mm
Specifications Dimension B
7 in | 177.8 mm
Specifications Ends
Wafer (RF)
Specifications Series
ALC®
Specifications Size
4.00 in | DN 100
Specifications Temperature Rating
-20 to 400 ºF
Specifications Weight
17.4 lb | 7.9 kg
Specifications Working Steam Pressure
635 psig